THIRD_PARTY.md

🧩 Third-Party Components

The InACTually Engine project uses external resources licensed under open-source terms.
Below is a summary of included components in a pseudo random order without any further meaning.

They are either lovely frameworks and code-snippets to be found in ./3rd/ or via nuget or with need to add them yourself (needed for creating and compiling) or lovely models and resources to be found in ./assets/3rd/ (eventually needed while running)

Lovely Frameworks and Code-snippets

These third party projects may contain other projects to function. Please refer to their third party notice and further licenses.

Cinder

• License: modified BSD License
• Copyright (c) 2010, The Cinder Project
• Source on GitHub
• Notes: not included, but needed

Cinder OSC

• License: BSD 2-Clause License
• Copyright (c) 2015, The Cinder Project, All rights reserved.
• Source on GitHub

Cinder AudioDrawUtils

• License: BSD 2-Clause License
• Copyright (c) 2014, The Cinder Project
• Source on GitHub

OpenCV 4

• License: Apache License Version 2.0
• Copyright list
• Source on GitHub
• Notes: not included, but needed

ByteTrack

• License: MIT License
• Copyright (c) 2022 Vertical Beach (lp6m, medalotte)
• Copyright (c) 2021 Yifu Zhang
• Source on GitHub

OpenCV_CameraList_MSMF

• License: MIT License
• Copyright (c) 2021 Andrei
• Source on GitHub

Cinder-PortAudio

• License: MIT License
• Copyright (c) 2018, The Cinder Project
• Source on GitHub

PortAudio

• License: MIT License
• Copyright (c) 1999-2006 Ross Bencina and Phil Burk
• Source on GitHub

libzmq

• License: MPL-2.0 License
• Copyright list
• Source on GitHub

cppzmq

• License: MIT License
• Source on GitHub

ONNX Runtime

• License: MIT License
• Copyright (c) Microsoft Corporation
• Source on GitHub

DMXPro

• License: MIT License
• Copyright (c) 2014 Nocte
• Source on GitHub
• slightly modified see and compare here

Filter

• License: MIT License
• Lars Engeln 2019-24
• Source on GitHub

OneEuroFilter

• License: BSD 3-Clause License
• Copyright 2019 Inria
• Source on GitHub
• slightly modified see and compare here

IconFontCppHeaders

• License: Zlib License
• Copyright (c) 2017 Juliette Foucaut and Doug Binks
• Source on GitHub

ImGui

• License: MIT License
• Copyright (c) 2014-2025 Omar Cornut
• Source on GitHub

imnodes

• License: MIT License
• Copyright (c) 2019 Johann Muszynski
• Source on GitHub

ImPlot

• License: MIT License
• Copyright (c) 2020 Evan Pezent
• Source on GitHub

Simple-WebSocket-Server

• License: MIT License
• Copyright (c) 2014-2020 Ole Christian Eidheim
• Source on GitLab

smb_PitchShift

• License: Wide Open License
• COPYRIGHT 1999-2015 Stephan M. Bernsee <s.bernsee [AT] zynaptiq [DOT] com>
• Source on here

Zdepth

• License: BSD 3-Clause License
• Copyright (c) 2019, Chris Taylor
• Source on GitHub

convhull_3d

• License: MIT License
• Copyright (c) 2017-2021 Leo McCormack
• Source on GitHub

k4a2mat

• License: MIT License
• Copyright (c) 2019 Tsukasa Sugiura t.sugiura0204@gmail.com

LD lidar

• License: MIT License
• Copyright (c) 2020-2024 LDROBOT Co., Ltd.
• modified to run on Windows (and removed network code)

OpenSLL 1.1.1t

• License: OpenSSL License
• Copyright (c) 1998-2019 The OpenSSL Project. All rights reserved.
• Source on here
• Notes: included as nuget-package from zeroc

Azure Kinect Sensor SDK

• License: MIT License
• Copyright (c) Microsoft Corporation. All rights reserved.
• Source on GitHub
• Notes: included as nuget-package under the Microsoft Software License Terms (Proprietary license. Not redistributed with this project. Users must download separately via nuget.)

Azure Kinect Body Tracking SDK

• License: Microsoft Software License Terms
• Source|Installer on here
• Notes: Proprietary license. Not redistributed with this project. Users must download separately. It is included as nuget-package.
  The package has dependencies under same license terms (with-in the same package namespace) to .Dependencies, .Dependencies.cuDNN, and .ONNXRuntime.

Optional Frameworks

The optional frameworks are not included in the sources but can be added on own behalf.

ASIOSDK

• License: Proprietary | GPL 3.0
• Copyright (c) 2025, Steinberg Media Technologies GmbH
• Source on here
• Notes: This project does not distribute the ASIOSDK. Required only for optional ASIO/multi‑channel audio support. Users must include this themselves. Binaries built with the ASIOSDK for ASIO support must not be redistributed unless you comply with Steinberg’s license. Standard build configurations are compiling without optional ASIOSDK, for including/using the ASIOSDK specific build configurations are available.

Lovely Models and Resources

Depth Anything ONNX

• License: Apache License Version 2.0
• Source on GitHub
• Models on GitHub

FER+ Emotion Recognition

• License: MIT License - compare the README
• Models on GitHub

haarcascade frontal face detectors

• License: BSD 3-Clause License
• Models from OpenCV on GitHub

Open Sans Variable Font

• License: Apache License Version 2.0

Font Awesome

• License: Font Awesome Free License